Byron York: What do Republicans suspect really happened in the FBI Trump-Russia investigation?

The struggle to uncover the FBI's conduct in the Trump-Russia probe has made some congressional investigators deeply suspicious of the bureau. But what do those investigators think the FBI actually did in its investigation of the Trump campaign, Russia, and the 2016 election?

First, they're convinced the FBI has something to hide. In the last 12 months, the bureau has, at various times, ignored, slow-walked, resisted, and downright stonewalled congressional requests, not to mention subpoenas, for information on the Trump-Russia investigation.

Each time the bureau hunkered down, suspicion grew on Capitol Hill. The FBI seemed particularly reluctant to reveal to Congress not what Russians did, or what people in the Trump circle did, but what the bureau itself did.

When did the investigation start? How did it start? What measures did the FBI, and its lawyers, and its informants employ? Getting facts out of the FBI has been a long and arduous task....

The bottom line is that some Republicans are wondering whether in the above instances, and perhaps others, someone actively tried to frame, or entrap, or set up, Trump figures. And those Republicans wonder whether the FBI knew about it or played some sort of role in it.

In short, there is suspicion that the FBI might have abused its tremendous powers in a highly politicized investigation undertaken in the middle of a presidential campaign.